Differences between IPv4 and IPv6

IPv4 and IPv6 are internet protocol version 4 and internet protocol version 6, IP version 6 is the new version of Internet Protocol, which is way better than IP version 4 in terms of complexity and efficiency.

Difference Between IPv4 and IPv6:

IPv4 IPv6
IPv4 has 32-bit address length IPv6 has 128-bit address length
It Supports Manual and DHCP address configuration It supports Auto and renumbering address configuration
In IPv4 end to end connection integrity is Unachievable In IPv6 end to end connection integrity is Achievable
It can generate 4.29×109 address space Address space of IPv6 is quite large it can produce 3.4×1038 address space
Security feature is dependent on application IPSEC is inbuilt security feature in the IPv6 protocol
Address representation of IPv4 in decimal Address Representation of IPv6 is in hexadecimal
Fragmentation performed by Sender and forwarding routers In IPv6 fragmentation performed only by sender
In IPv4 Packet flow identification is not available In IPv6 packetflow identification are Available and uses flow label field in the header
In IPv4 checksumfield is available In IPv6 checksumfield is not available
It has broadcast Message Transmission Scheme In IPv6 multicast and any cast message transmission scheme is available
In IPv4 Encryption and Authentication facility not provided In IPv6 Encryption and Authentication are provided
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